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Monitoring disk paging on a RAID

Discussion in 'Hardware' started by Stoney, Oct 16, 2007.

  1. Stoney

    Stoney Megabyte Poster

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    Hi,

    I'm using performance monitor to setup an alert on a server that should notify me when disk paging starts to get a too high.

    Because the server has a RAID 5 setup over 3 disks, I'm a tad unsure how to configure the threshold. I read that a good indicator is to set the alert to trigger when the number of pages per second exceeds 50 per paging disk.

    Well the page file is written to the C: volume, but then this is written over 3 disks.

    Does this mean I should use 50 or 150 as the threshold? :blink

    Any help greatly appreciated!
     
    Certifications: 25 + 50 metre front crawl
    WIP: MCSA - Exam 70-270
  2. Modey

    Modey Terabyte Poster

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    The computuer doesn't see the raid volume as three disks, it just sees it as a single logical drive, so there would be no need to triple your figure.
     
    Certifications: A+, N+, MCP, MCDST, MCSA 2K3, MCTS, MOS, MTA, MCT, MCITP:EDST7, MCSA W7, Citrix CCA, ITIL Foundation
    WIP: Nada
  3. Stoney

    Stoney Megabyte Poster

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    Cheers Modey. I wasn't too sure if the RAID had an effect on the performance of the paging, but what you said makes sense! :biggrin
     
    Certifications: 25 + 50 metre front crawl
    WIP: MCSA - Exam 70-270

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